Boating & Marinas

The LOA (length over all) is used to determine the maximum size boat that will be allowed in a slip. This includes anchors, bow pulpits, swim platforms, stern drives, outboards that are trimmed down, and anything else that will increase the LOA.

It is the owner’s responsibility to verify ahead of time that the vessel meets the criteria, and it will be confirmed by our staff after arrival. Slip assignment is at the discretion of the of Dockmaster and/or Operations Manager.

Boat Racks at all four locations can accommodate most Kayak, Sunfish, Dinghy or Surfboard storage.

Marinas & Boat Yard
There are three marinas as well as one boat yard

Byram Marina
4 Ritch Ave W., Greenwich, CT 06830

Slip lengths:
24' Finger and 20' Finger
LOA 26' and 24'
Parallel (Restricted Access) up to 15'
Rope & Pulley Slip

Cos Cob Marina
94 Strickland Road, Cos Cob, CT 06807

Slip lengths:
24' Finger and 20' Finger
LOA 28' and 24'
Parallel (Restricted Access) up to 15'

Grass Island Marina
7 Grass Island Road, Greenwich, CT 06830

Slip lengths:
36' Finger, 30' Finger, 20' Finger
LOA 38', 26', 24'
Parallel (Restricted Access) up to 15'

Greenwich Point Boat Yard
11 Tod's Driftway, Old Greenwich, CT 06870

Boat Rack storage.

All three marinas and the boat yard have landing floats and launching ramps available to use with a valid Facility Use Permit. These facilities are open April 15 through November 15 each year.

How to waitlist for a storage space

Complete the Online Waitlist Form by scrolling to the bottom of this page.

Alternatively, please complete Mail in or Upload Waitlist Application and upload to Document Uploads. You must be signed into your resident account.

Waitlist Applications will not be accepted by email, please upload, mail or drop off in person.

Walk-in and Mailings address: Town Hall, Marine Division, 101 Field Point Road, Greenwich CT 06836

Contact Us:
Email the Marine Division.

Form Search

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Form Description Column #2
Marine Waitlist Fill-In Form